40. invest　 投资　 She invested in house.

39. invade　 侵入　　　 Disease invaded our body.

38. introduce sb to sb　 介绍　 She introduce new method into her business.　 引入

　　　 We have introduced new economic measures.　　 采用

37. burst into tears　 break into room　 get into trouble　　 be divided into

36. give an interview to sb　 访问　　 have an interview with sb　　 interview sb

35. show one's interest in doing　　 be interested in

34. intend to do　 打算　　 intend sb to do 指定…去做　　　

　　　　 intend sth for sb 指定…给…　 The books are intended for children.

What's your intention ?　 你的意图是…？　 have no intention of doing 无意干…

33. an intelligent boy　　　　 an intelligent answer明智的回答

32. provide insurance against floods　 为…提供保险　　　 fire insurance

31. a set of medical instruments　　 器械　　　　　 perform on music instruments　 乐器